Music is great for stress reduction, relaxation, motivation and more. Research has proved that listening to music before bedtime helps soothe tension, stimulate certain waves of the brain, create neurological calm, and improve sleep.Eplyn Music pillow is constructed with high-quality stereo sound speakers and amplifiers that transmit reliable high fidelity sound directly next to your ears. After inflation of the pillow, just connect the gizmo to any type of your music source (walkman, iPod, CD, MD, MP3, DVD player, computer, or television), and you can lie in a comfortable position anywhere you like to enjoy delightful music.Being compact and portable without the hassle of earpiece wires, the pillow is specially designed for home users and travelers alike. Only four AA type batteries ensure you over 10 hours of continuous music.User's guideTake out the battery compartment from the back side of the pillow. Install 4 AA type batteries in the battery compartment and put it back into the pillow.Inflate the pillow by blowing into the oral inflation tube (note: pinch the bottom part of the inflation tube to facilitate the manual inflation process). Make sure the pull-tab is tight sealed after inflation. Connect to any external sound source and pamper yourself with enchanting music you really enjoy.Note: Remove the batteries if the pillow will not be in use for a long period of time; deflate the pillow, fold up and store in a cool dry place.Specifications:Impedance: 8 ohms x 2 Max. input: 0.5W x 2 Input sensitivity: 600mV SNR ratio: 82dBPower source: 4 AAA type batteries (6V)Dimensions (L x W x H): 465 x 250 x 80 mmApprox weight: 340g producing area:China